英文别名Ondansetron Impurity H; N-Desmethylondansetron; DesMethylondansetron; 3-[(2-Methyl-1h-Imidazolyl)Methyl]-1,2,3,9-Tetrahydro-4h-Carbazole-4-One; 1,2,3,9-Tetrahydro-3-[(2-Methy; 1,2,3,9-TETRAHYDRO-3-[(2-METHYL-1H-IMIDAZOLE-1)METHYL]-4H-CARBAZOL-4-ONE; 1,2,3,9-tetrahydro-3-[(2-methyl-1h-imidazole-1-yl)methyl]-4h-carbazol-4-one; N-Demethyl Ondansetron